Home / 38,961.53-53,767.16-21,056.49

Finding the Fourth Proportional to 38,961.53, 53,767.16 and 21,056.49

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Solution

The fourth proportional to 38,961.53, 53,767.16 and 21,056.49 is: 29,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.53 : 53,767.16 = 21,056.49 : x
  2. Step 2: Convert to fraction form
    38,961.53/53,767.16 = 21,056.49/x
  3. Step 3: Cross multiply
    38,961.53x = 53,767.16 × 21,056.49
  4. Step 4: Simplify right side
    38,961.53x = 1,132,147,561.59
  5. Step 5: Solve for x
    x = 1,132,147,561.59/38,961.53
  6. Step 6: Final answer
    x = 29,058.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.